====================================== | [ 10.787684][ T191] softirqs last disabled at (26810): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.787687][ T191] Preemption disabled at: | [ 10.787687][ T191] 0x0 | [ 10.787698][ T191] Tainted: [W]=WARN [ 10.787698][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.787700][ T191] Call Trace: [ 10.787702][ T191] [ 10.787703][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.787710][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 10.787715][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.787719][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.787724][ T191] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.787727][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.787734][ T191] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.787736][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.787740][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 10.787744][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.787746][ T191] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.787751][ T191] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.787757][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.787766][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.787769][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787771][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.787776][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.787780][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.787782][ T191] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.787785][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787787][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.787792][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.787797][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.787798][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.787805][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.787808][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.787809][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787812][ T191] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.787816][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.787817][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.787821][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 10.787825][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.787829][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.787833][ T191] _printk (kernel/printk/printk.c:2504) [ 10.787837][ T191] ? snapshot_read.cold (user.c:?) [ 10.787840][ T191] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.787843][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.787847][ T191] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.787850][ T191] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.787854][ T191] ? exit_notify (kernel/exit.c:780) [ 10.787856][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.787859][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787864][ T191] do_group_exit (kernel/exit.c:1151) [ 10.787868][ T191] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.787870][ T191] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.787872][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.787875][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.787879][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.787882][ T191] RIP: 0033:0x7f97fb4d31b8 [ 10.787884][ T191] Code: Unable to access opcode bytes at 0x7f97fb4d318e. Code starting with the faulting instruction =========================================== [ 10.787886][ T191] RSP: 002b:00007ffe76fd4c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.787888][ T191] RAX: ffffffffffffffda RBX: 00007f97fb603f88 RCX: 00007f97fb4d31b8 [ 10.787889][ T191] RDX: 00007f97fb21dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.787890][ T191] RBP: 00007ffe76fd4c80 R08: 0000000000000000 R09: 0000000000000050 [ 10.787891][ T191] R10: 00007ffe76fd4a40 R11: 0000000000000246 R12: 0000000000000001 [ 10.787892][ T191] R13: 0000000000000000 R14: 00007f97fb602680 R15: 00007f97fb603fa0 | [ 33.015211][ T826] softirqs last disabled at (734605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 33.015214][ T826] Preemption disabled at: | [ 33.015214][ T826] 0x0 | [ 33.015225][ T826] Tainted: [W]=WARN [ 33.015225][ T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.015227][ T826] Call Trace: [ 33.015229][ T826] [ 33.015230][ T826] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.015237][ T826] __might_resched.cold (kernel/sched/core.c:9234) [ 33.015241][ T826] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.015246][ T826] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.015251][ T826] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.015253][ T826] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.015261][ T826] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.015263][ T826] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.015267][ T826] put_chars (drivers/char/virtio_console.c:1176) [ 33.015270][ T826] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.015272][ T826] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.015277][ T826] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.015283][ T826] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.015292][ T826] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.015295][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.015298][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.015302][ T826] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.015306][ T826] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.015308][ T826] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 33.015311][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.015313][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.015318][ T826] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.015322][ T826] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.015324][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.015329][ T826] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.015332][ T826] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.015334][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.015336][ T826] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.015340][ T826] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.015342][ T826] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.015346][ T826] vprintk_emit (kernel/printk/printk.c:2479) [ 33.015349][ T826] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.015353][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.015357][ T826] _printk (kernel/printk/printk.c:2504) [ 33.015361][ T826] ? snapshot_read.cold (user.c:?) [ 33.015364][ T826] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.015366][ T826] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.015370][ T826] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.015373][ T826] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 33.015377][ T826] ? exit_notify (kernel/exit.c:780) [ 33.015379][ T826] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.015382][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.015386][ T826] do_group_exit (kernel/exit.c:1151) [ 33.015390][ T826] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 33.015392][ T826] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 33.015394][ T826] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.015398][ T826] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.015401][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.015403][ T826] RIP: 0033:0x7fb2bc8601b8 [ 33.015406][ T826] Code: Unable to access opcode bytes at 0x7fb2bc86018e. Code starting with the faulting instruction =========================================== [ 33.015407][ T826] RSP: 002b:00007ffd8268efc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.015410][ T826] RAX: ffffffffffffffda RBX: 00007fb2bc990f88 RCX: 00007fb2bc8601b8 [ 33.015411][ T826] RDX: 00007fb2bc79da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 33.015412][ T826] RBP: 00007ffd8268f020 R08: 0000000000000000 R09: 0000000000000000 [ 33.015413][ T826] R10: 00007ffd8268ee60 R11: 0000000000000246 R12: 0000000000000001 [ 33.015413][ T826] R13: 0000000000000000 R14: 00007fb2bc98f680 R15: 00007fb2bc990fa0 | [ 37.080060][ T920] softirqs last disabled at (635935): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 37.080062][ T920] Preemption disabled at: | [ 37.080063][ T920] 0x0 | [ 37.080073][ T920] Tainted: [W]=WARN [ 37.080074][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.080075][ T920] Call Trace: [ 37.080077][ T920] [ 37.080079][ T920] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.080085][ T920] __might_resched.cold (kernel/sched/core.c:9234) [ 37.080090][ T920] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.080094][ T920] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.080099][ T920] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.080101][ T920] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.080108][ T920] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.080111][ T920] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.080115][ T920] put_chars (drivers/char/virtio_console.c:1176) [ 37.080118][ T920] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.080120][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.080125][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.080131][ T920] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.080140][ T920] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.080143][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.080145][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.080149][ T920] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.080154][ T920] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.080155][ T920] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 37.080159][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.080161][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.080165][ T920] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.080170][ T920] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.080172][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.080178][ T920] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.080181][ T920] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.080182][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.080184][ T920] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.080188][ T920] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.080190][ T920] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.080194][ T920] vprintk_emit (kernel/printk/printk.c:2479) [ 37.080198][ T920] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.080201][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.080205][ T920] _printk (kernel/printk/printk.c:2504) [ 37.080209][ T920] ? snapshot_read.cold (user.c:?) [ 37.080213][ T920] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 37.080215][ T920] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.080219][ T920] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 37.080222][ T920] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 37.080226][ T920] ? exit_notify (kernel/exit.c:780) [ 37.080228][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.080231][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.080235][ T920] do_group_exit (kernel/exit.c:1151) [ 37.080239][ T920] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 37.080242][ T920] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 37.080244][ T920] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.080247][ T920] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.080251][ T920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.080253][ T920] RIP: 0033:0x7f80ee5281b8 [ 37.080256][ T920] Code: Unable to access opcode bytes at 0x7f80ee52818e. Code starting with the faulting instruction =========================================== [ 37.080257][ T920] RSP: 002b:00007ffc0141bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.080259][ T920] RAX: ffffffffffffffda RBX: 00007f80ee658f88 RCX: 00007f80ee5281b8 [ 37.080261][ T920] RDX: 00007f80ee465a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 37.080262][ T920] RBP: 00007ffc0141bcd0 R08: 0000000000000000 R09: 0000000000000000 [ 37.080262][ T920] R10: 00007ffc0141bb10 R11: 0000000000000246 R12: 0000000000000001 [ 37.080263][ T920] R13: 0000000000000000 R14: 00007f80ee657680 R15: 00007f80ee658fa0 | [ 48.941892][ T1203] softirqs last disabled at (678961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 48.941894][ T1203] Preemption disabled at: | [ 48.941895][ T1203] 0x0 | [ 48.941906][ T1203] Tainted: [W]=WARN [ 48.941907][ T1203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.941909][ T1203] Call Trace: [ 48.941910][ T1203] [ 48.941912][ T1203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.941918][ T1203] __might_resched.cold (kernel/sched/core.c:9234) [ 48.941923][ T1203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.941927][ T1203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.941932][ T1203] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 48.941935][ T1203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.941942][ T1203] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.941945][ T1203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.941950][ T1203] put_chars (drivers/char/virtio_console.c:1176) [ 48.941953][ T1203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.941955][ T1203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.941960][ T1203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.941966][ T1203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.941974][ T1203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.941977][ T1203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.941979][ T1203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.941983][ T1203] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.941987][ T1203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.941989][ T1203] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 48.941992][ T1203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.941995][ T1203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.941999][ T1203] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.942003][ T1203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.942005][ T1203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.942011][ T1203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.942014][ T1203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.942015][ T1203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.942017][ T1203] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.942021][ T1203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.942023][ T1203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.942026][ T1203] vprintk_emit (kernel/printk/printk.c:2479) [ 48.942030][ T1203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.942034][ T1203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.942038][ T1203] _printk (kernel/printk/printk.c:2504) [ 48.942042][ T1203] ? snapshot_read.cold (user.c:?) [ 48.942045][ T1203] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 48.942047][ T1203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.942051][ T1203] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 48.942054][ T1203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 48.942058][ T1203] ? exit_notify (kernel/exit.c:780) [ 48.942060][ T1203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.942063][ T1203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.942068][ T1203] do_group_exit (kernel/exit.c:1151) [ 48.942071][ T1203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 48.942074][ T1203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 48.942076][ T1203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.942080][ T1203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.942083][ T1203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.942086][ T1203] RIP: 0033:0x7f10dae5d1b8 [ 48.942088][ T1203] Code: Unable to access opcode bytes at 0x7f10dae5d18e. Code starting with the faulting instruction =========================================== [ 48.942089][ T1203] RSP: 002b:00007fff063f7778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 48.942091][ T1203] RAX: ffffffffffffffda RBX: 00007f10daf8df88 RCX: 00007f10dae5d1b8 [ 48.942093][ T1203] RDX: 00007f10dad9aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 48.942094][ T1203] RBP: 00007fff063f77d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.942095][ T1203] R10: 00007fff063f7610 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print